Cita APA (7th ed.)

Kale, N. Marketing research (5th.). Vipul Prakashan.

Cita Chicago (17th ed.)

Kale, N.G. Marketing Research. 5th. Mumbai: Vipul Prakashan.

Cita MLA (9th ed.)

Kale, N.G. Marketing Research. 5th. Vipul Prakashan.